Data Dictionary glossary
Variable name | As it appears on the LSAC dataset |
Variable name without age | Useful for sorting together like variables from different waves and cohorts |
Topic number | Allows derived items to be sorted in with the input variables they come from |
Question id (i.e. variable name without age or subject/informant) |
Useful for checking which informants were asked each question at each Wave |
File order | Mainly useful for sorting questions back into file order (default option) |
File | Which of the LSAC data files the variable is contained in. Example: B0 – refers to lsacgrb0, K4 – refers to lsacgrk4 |
Wave | Which wave (or waves) data was collected from for the variable |
Cohort | Indicator of whether the question is asked for the B or K cohort |
Question position | Location of question within questionnaires |
Person label | Subject/Informant for the variable |
Child's age | Age of child at time information is collected |
Variable labels | Describes the question/item |
Topics | The theme or content area |
Construct | This is like a sub-topic, more specific than the topic. See list of topic contructs |
Measure | Specific information on the measure that the variable is part of |
Question | The actual wording of the question that appears in the LSAC instruments |
Population | Which cases should have valid (non-missing) for the variable |
SAS format | Format used in SAS to add value labels |
Notes | Any other information on the variable that data users should be aware of |
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